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• Self-modifying_code abstract "In computer science, self-modifying code is code that alters its own instructions while it is executing - usually to reduce the instruction path length and improve performance or simply to reduce otherwise repetitively similar code, thus simplifying maintenance. Self modification is an alternative to the method of 'flag setting' and conditional program branching, used primarily to reduce the number of times a condition needs to be tested for. The term is usually only applied to code where the self-modification is intentional, not in situations where code accidentally modifies itself due to an error such as a buffer overflow.The method is frequently used for conditionally invoking test/debugging code without requiring additional computational overhead for every input/output cycle.The modifications may be performed: only during initialization - based on input parameters (when the process is more commonly described as software 'configuration' and is somewhat analogous, in hardware terms, to setting jumpers for printed circuit boards). Alteration of program entry pointers is an equivalent indirect method of self-modification, but requiring the co-existence of one or more alternative instruction paths, increasing the program size. throughout execution ('on-the-fly') - based on particular program states that have been reached during the executionIn either case, the modifications may be performed directly to the machine code instructions themselves, by overlaying new instructions over the existing ones (for example: altering a compare and branch to an unconditional branch or alternatively a 'NOP'). In the IBM/360 and Z/Architecture instruction set, an EXECUTE (EX) instruction logically overlays the second byte of its target instruction with the low-order 8 bits of register 1. This provides the effect of self-modification although the actual instruction in storage is not altered.".
• Self-modifying_code wikiPageExternalLink smc.html.
• Self-modifying_code wikiPageExternalLink smc.html.
• Self-modifying_code wikiPageExternalLink sm.html.
• Self-modifying_code wikiPageExternalLink sm.html.
• Self-modifying_code wikiPageExternalLink cucs-039-92.ps.gz.
• Self-modifying_code wikiPageExternalLink index.html.
• Self-modifying_code wikiPageExternalLink metalearner.html.
• Self-modifying_code wikiPageID "217647".
• Self-modifying_code wikiPageRevisionID "599153183".
• Self-modifying_code hasPhotoCollection Self-modifying_code.
• Self-modifying_code subject Category:Programming_paradigms.
• Self-modifying_code type Abstraction100002137.
• Self-modifying_code type GrammaticalRelation113796779.
• Self-modifying_code type Inflection113803782.
• Self-modifying_code type LinguisticRelation113797142.
• Self-modifying_code type Paradigm113804375.
• Self-modifying_code type ProgrammingParadigms.
• Self-modifying_code type Relation100031921.
• Self-modifying_code comment "In computer science, self-modifying code is code that alters its own instructions while it is executing - usually to reduce the instruction path length and improve performance or simply to reduce otherwise repetitively similar code, thus simplifying maintenance. Self modification is an alternative to the method of 'flag setting' and conditional program branching, used primarily to reduce the number of times a condition needs to be tested for.".
• Self-modifying_code label "Code automodifiable".
• Self-modifying_code label "Codice automodificante".
• Self-modifying_code label "Código mutante".
• Self-modifying_code label "Selbstmodifizierender Code".
• Self-modifying_code label "Self-modifying code".
• Self-modifying_code label "Самомодифицирующийся код".
• Self-modifying_code label "程序自修改".
• Self-modifying_code label "自己書き換えコード".
• Self-modifying_code sameAs Selbstmodifizierender_Code.
• Self-modifying_code sameAs Código_mutante.
• Self-modifying_code sameAs Code_automodifiable.
• Self-modifying_code sameAs Codice_automodificante.
• Self-modifying_code sameAs 自己書き換えコード.
• Self-modifying_code sameAs m.01fw8r.
• Self-modifying_code sameAs Q2165944.
• Self-modifying_code sameAs Q2165944.
• Self-modifying_code sameAs Self-modifying_code.
• Self-modifying_code wasDerivedFrom Self-modifying_code?oldid=599153183.
• Self-modifying_code isPrimaryTopicOf Self-modifying_code.